Por Council on Foundations, European Foundation Centre (EFC)
Por Policy Exchange
Por Candid
Por FSG Social Impact Advisors
Por The Center for Effective Philanthropy (CEP)
Por Skoll Centre for Social Entrepreneurship, William and Flora Hewlett Foundation
Por Corporation for National and Community Service
Por FSG Social Impact Advisors, James Irvine Foundation, The
Por Stanford Social Innovation Review (SSIR)